/*
 * CALYPSO GESTIONALE - CSS FRAMEWORK
 * Versione standalone senza dipendenze CDN
 * Include: Reset, Grid, Components, Icons, Utilities
 */

/* ===== CSS RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    background-color: #f8f9fa;
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 { margin-top: 0; margin-bottom: 0.5rem; font-weight: 600; line-height: 1.2; }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.9rem; }
p { margin-top: 0; margin-bottom: 1rem; }
a { color: #0d6efd; text-decoration: none; }
a:hover { color: #0a58ca; text-decoration: underline; }
img { max-width: 100%; height: auto; }
table { border-collapse: collapse; width: 100%; }
hr { margin: 1rem 0; border: 0; border-top: 1px solid rgba(0,0,0,.1); }

/* ===== GRID SYSTEM ===== */
.container { width: 100%; padding-right: 15px; padding-left: 15px; margin-right: auto; margin-left: auto; }
.container-fluid { width: 100%; padding-right: 15px; padding-left: 15px; margin-right: auto; margin-left: auto; }
@media (min-width: 576px) { .container { max-width: 540px; } }
@media (min-width: 768px) { .container { max-width: 720px; } }
@media (min-width: 992px) { .container { max-width: 960px; } }
@media (min-width: 1200px) { .container { max-width: 1140px; } }
@media (min-width: 1400px) { .container { max-width: 1320px; } }

.row { display: flex; flex-wrap: wrap; margin-right: -15px; margin-left: -15px; }
.col, [class*="col-"] { position: relative; width: 100%; padding-right: 15px; padding-left: 15px; }
.col { flex-basis: 0; flex-grow: 1; max-width: 100%; }
.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

@media (min-width: 576px) {
    .col-sm-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-sm-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-sm-3 { flex: 0 0 25%; max-width: 25%; }
    .col-sm-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-sm-6 { flex: 0 0 50%; max-width: 50%; }
    .col-sm-12 { flex: 0 0 100%; max-width: 100%; }
}
@media (min-width: 768px) {
    .col-md-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-md-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-md-3 { flex: 0 0 25%; max-width: 25%; }
    .col-md-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-md-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-md-6 { flex: 0 0 50%; max-width: 50%; }
    .col-md-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
    .col-md-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-md-9 { flex: 0 0 75%; max-width: 75%; }
    .col-md-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-md-12 { flex: 0 0 100%; max-width: 100%; }
}
@media (min-width: 992px) {
    .col-lg-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-lg-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-lg-3 { flex: 0 0 25%; max-width: 25%; }
    .col-lg-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-lg-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-lg-6 { flex: 0 0 50%; max-width: 50%; }
    .col-lg-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
    .col-lg-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-lg-9 { flex: 0 0 75%; max-width: 75%; }
    .col-lg-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-lg-12 { flex: 0 0 100%; max-width: 100%; }
}
@media (min-width: 1200px) {
    .col-xl-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-xl-3 { flex: 0 0 25%; max-width: 25%; }
    .col-xl-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-xl-6 { flex: 0 0 50%; max-width: 50%; }
    .col-xl-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-xl-9 { flex: 0 0 75%; max-width: 75%; }
    .col-xl-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-xl-12 { flex: 0 0 100%; max-width: 100%; }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    font-weight: 500;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    padding: 0.45rem 1rem;
    font-size: 0.9rem;
    line-height: 1.5;
    border-radius: 0.375rem;
    transition: all 0.15s ease-in-out;
}
.btn:hover { opacity: 0.9; transform: translateY(-1px); }
.btn:focus { outline: 0; box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25); }
.btn:disabled, .btn.disabled { pointer-events: none; opacity: 0.65; }

.btn-primary { color: #fff; background-color: #0d6efd; border-color: #0d6efd; }
.btn-primary:hover { background-color: #0b5ed7; border-color: #0a58ca; }
.btn-secondary { color: #fff; background-color: #6c757d; border-color: #6c757d; }
.btn-secondary:hover { background-color: #5c636a; }
.btn-success { color: #fff; background-color: #198754; border-color: #198754; }
.btn-success:hover { background-color: #157347; }
.btn-danger { color: #fff; background-color: #dc3545; border-color: #dc3545; }
.btn-danger:hover { background-color: #bb2d3b; }
.btn-warning { color: #000; background-color: #ffc107; border-color: #ffc107; }
.btn-warning:hover { background-color: #ffca2c; }
.btn-info { color: #fff; background-color: #0dcaf0; border-color: #0dcaf0; }
.btn-info:hover { background-color: #31d2f2; }
.btn-light { color: #000; background-color: #f8f9fa; border-color: #f8f9fa; }
.btn-dark { color: #fff; background-color: #212529; border-color: #212529; }
.btn-link { color: #0d6efd; background-color: transparent; border-color: transparent; }

.btn-outline-primary { color: #0d6efd; border-color: #0d6efd; background: transparent; }
.btn-outline-primary:hover { color: #fff; background-color: #0d6efd; }
.btn-outline-secondary { color: #6c757d; border-color: #6c757d; background: transparent; }
.btn-outline-secondary:hover { color: #fff; background-color: #6c757d; }
.btn-outline-success { color: #198754; border-color: #198754; background: transparent; }
.btn-outline-success:hover { color: #fff; background-color: #198754; }
.btn-outline-danger { color: #dc3545; border-color: #dc3545; background: transparent; }
.btn-outline-danger:hover { color: #fff; background-color: #dc3545; }
.btn-outline-warning { color: #ffc107; border-color: #ffc107; background: transparent; }
.btn-outline-warning:hover { color: #000; background-color: #ffc107; }
.btn-outline-info { color: #0dcaf0; border-color: #0dcaf0; background: transparent; }
.btn-outline-info:hover { color: #000; background-color: #0dcaf0; }
.btn-outline-light { color: #f8f9fa; border-color: #f8f9fa; background: transparent; }
.btn-outline-dark { color: #212529; border-color: #212529; background: transparent; }
.btn-outline-dark:hover { color: #fff; background-color: #212529; }

.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.8rem; border-radius: 0.25rem; }
.btn-lg { padding: 0.5rem 1rem; font-size: 1.1rem; border-radius: 0.5rem; }
.btn-group { display: inline-flex; }
.btn-group > .btn { border-radius: 0; }
.btn-group > .btn:first-child { border-radius: 0.375rem 0 0 0.375rem; }
.btn-group > .btn:last-child { border-radius: 0 0.375rem 0.375rem 0; }
.btn-close { box-sizing: content-box; width: 1em; height: 1em; padding: 0.25em; background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23000'%3e%3cpath d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/%3e%3c/svg%3e") center/1em auto no-repeat; border: 0; border-radius: 0.375rem; opacity: 0.5; cursor: pointer; }
.btn-close:hover { opacity: 1; }
.btn-close-white { filter: invert(1) grayscale(100%) brightness(200%); }

/* ===== FORMS ===== */
.form-control {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.375rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}
.form-control:focus {
    color: #212529;
    background-color: #fff;
    border-color: #86b7fe;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}
.form-control:disabled, .form-control[readonly] { background-color: #e9ecef; opacity: 1; }
.form-control::placeholder { color: #6c757d; opacity: 1; }

.form-select {
    display: block;
    width: 100%;
    padding: 0.5rem 2.25rem 0.5rem 0.75rem;
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    background-color: #fff;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    border: 1px solid #ced4da;
    border-radius: 0.375rem;
    appearance: none;
}
.form-select:focus { border-color: #86b7fe; outline: 0; box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25); }

.form-check { display: block; min-height: 1.5rem; padding-left: 1.5em; margin-bottom: 0.125rem; }
.form-check-input { width: 1em; height: 1em; margin-top: 0.25em; margin-left: -1.5em; vertical-align: top; background-color: #fff; border: 1px solid rgba(0,0,0,.25); border-radius: 0.25em; }
.form-check-input:checked { background-color: #0d6efd; border-color: #0d6efd; }
.form-check-input[type="checkbox"]:checked { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e"); }
.form-check-label { cursor: pointer; }

.form-label { margin-bottom: 0.5rem; font-weight: 500; color: #495057; }
.form-text { margin-top: 0.25rem; font-size: 0.8rem; color: #6c757d; }
.input-group { position: relative; display: flex; flex-wrap: wrap; align-items: stretch; width: 100%; }
.input-group > .form-control, .input-group > .form-select { position: relative; flex: 1 1 auto; width: 1%; min-width: 0; }
.input-group > .form-control:not(:last-child), .input-group > .form-select:not(:last-child) { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.input-group > .form-control:not(:first-child), .input-group > .form-select:not(:first-child) { border-top-left-radius: 0; border-bottom-left-radius: 0; }
.input-group-text { display: flex; align-items: center; padding: 0.5rem 0.75rem; font-size: 0.9rem; font-weight: 400; line-height: 1.5; color: #212529; text-align: center; white-space: nowrap; background-color: #e9ecef; border: 1px solid #ced4da; border-radius: 0.375rem; }
.input-group > .input-group-text:first-child { border-top-right-radius: 0; border-bottom-right-radius: 0; border-right: 0; }
.input-group > .input-group-text:last-child { border-top-left-radius: 0; border-bottom-left-radius: 0; border-left: 0; }
.input-group > .btn { border-radius: 0; }
.input-group > .btn:last-child { border-top-right-radius: 0.375rem; border-bottom-right-radius: 0.375rem; }

.is-invalid { border-color: #dc3545 !important; }
.is-valid { border-color: #198754 !important; }
.invalid-feedback { display: none; width: 100%; margin-top: 0.25rem; font-size: 0.8rem; color: #dc3545; }
.is-invalid ~ .invalid-feedback { display: block; }

/* ===== CARDS ===== */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: #fff;
    background-clip: border-box;
    border: 1px solid rgba(0,0,0,.08);
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.card-header {
    padding: 0.85rem 1.25rem;
    margin-bottom: 0;
    background-color: #f8f9fa;
    border-bottom: 1px solid rgba(0,0,0,.08);
    font-weight: 600;
}
.card-header:first-child { border-radius: calc(0.5rem - 1px) calc(0.5rem - 1px) 0 0; }
.card-body { flex: 1 1 auto; padding: 1.25rem; }
.card-footer { padding: 0.85rem 1.25rem; background-color: #f8f9fa; border-top: 1px solid rgba(0,0,0,.08); }
.card-footer:last-child { border-radius: 0 0 calc(0.5rem - 1px) calc(0.5rem - 1px); }
.card-title { margin-bottom: 0.5rem; font-weight: 600; }
.card-text:last-child { margin-bottom: 0; }

/* ===== TABLES ===== */
.table { width: 100%; margin-bottom: 1rem; color: #212529; vertical-align: top; border-color: #dee2e6; }
.table > :not(caption) > * > * { padding: 0.65rem 0.75rem; background-color: transparent; border-bottom-width: 1px; }
.table > thead { vertical-align: bottom; background-color: #f8f9fa; }
.table > thead > tr > th { font-weight: 600; color: #495057; text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.5px; }
.table > tbody { vertical-align: inherit; }
.table-striped > tbody > tr:nth-of-type(odd) > * { background-color: rgba(0,0,0,.02); }
.table-hover > tbody > tr:hover > * { background-color: rgba(0,0,0,.04); }
.table-bordered > :not(caption) > * { border-width: 1px 0; }
.table-bordered > :not(caption) > * > * { border-width: 0 1px; }
.table-sm > :not(caption) > * > * { padding: 0.4rem 0.5rem; }
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ===== ALERTS ===== */
.alert {
    position: relative;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.375rem;
}
.alert-primary { color: #084298; background-color: #cfe2ff; border-color: #b6d4fe; }
.alert-secondary { color: #41464b; background-color: #e2e3e5; border-color: #d3d6d8; }
.alert-success { color: #0f5132; background-color: #d1e7dd; border-color: #badbcc; }
.alert-danger { color: #842029; background-color: #f8d7da; border-color: #f5c2c7; }
.alert-warning { color: #664d03; background-color: #fff3cd; border-color: #ffecb5; }
.alert-info { color: #055160; background-color: #cff4fc; border-color: #b6effb; }
.alert-light { color: #636464; background-color: #fefefe; border-color: #fdfdfe; }
.alert-dark { color: #141619; background-color: #d3d3d4; border-color: #bcbebf; }
.alert-dismissible { padding-right: 3rem; }
.alert-dismissible .btn-close { position: absolute; top: 0; right: 0; z-index: 2; padding: 1.25rem 1rem; }

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 0.35em 0.65em;
    font-size: 0.75em;
    font-weight: 600;
    line-height: 1;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.375rem;
}
.bg-primary { background-color: #0d6efd !important; }
.bg-secondary { background-color: #6c757d !important; }
.bg-success { background-color: #198754 !important; }
.bg-danger { background-color: #dc3545 !important; }
.bg-warning { background-color: #ffc107 !important; color: #000 !important; }
.bg-info { background-color: #0dcaf0 !important; color: #000 !important; }
.bg-light { background-color: #f8f9fa !important; color: #000 !important; }
.bg-dark { background-color: #212529 !important; }
.bg-white { background-color: #fff !important; }
.bg-transparent { background-color: transparent !important; }

.text-primary { color: #0d6efd !important; }
.text-secondary { color: #6c757d !important; }
.text-success { color: #198754 !important; }
.text-danger { color: #dc3545 !important; }
.text-warning { color: #ffc107 !important; }
.text-info { color: #0dcaf0 !important; }
.text-light { color: #f8f9fa !important; }
.text-dark { color: #212529 !important; }
.text-muted { color: #6c757d !important; }
.text-white { color: #fff !important; }

/* ===== MODALS ===== */
.modal { position: fixed; top: 0; left: 0; z-index: 1055; display: none; width: 100%; height: 100%; overflow-x: hidden; overflow-y: auto; outline: 0; background-color: rgba(0,0,0,0.5); }
.modal.show { display: block; }
.modal-dialog { position: relative; width: auto; margin: 1.75rem auto; max-width: 500px; pointer-events: none; }
.modal-dialog-lg { max-width: 800px; }
.modal-dialog-xl { max-width: 1140px; }
.modal-dialog-centered { display: flex; align-items: center; min-height: calc(100% - 3.5rem); }
.modal-content { position: relative; display: flex; flex-direction: column; width: 100%; pointer-events: auto; background-color: #fff; background-clip: padding-box; border: 1px solid rgba(0,0,0,.2); border-radius: 0.5rem; outline: 0; box-shadow: 0 0.5rem 1rem rgba(0,0,0,.15); }
.modal-header { display: flex; flex-shrink: 0; align-items: center; justify-content: space-between; padding: 1rem; border-bottom: 1px solid #dee2e6; border-top-left-radius: calc(0.5rem - 1px); border-top-right-radius: calc(0.5rem - 1px); }
.modal-title { margin-bottom: 0; line-height: 1.5; font-weight: 600; }
.modal-body { position: relative; flex: 1 1 auto; padding: 1rem; }
.modal-footer { display: flex; flex-wrap: wrap; flex-shrink: 0; align-items: center; justify-content: flex-end; padding: 0.75rem; border-top: 1px solid #dee2e6; border-bottom-right-radius: calc(0.5rem - 1px); border-bottom-left-radius: calc(0.5rem - 1px); gap: 0.5rem; }

/* ===== NAVBAR ===== */
.navbar { position: relative; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; padding: 0.5rem 1rem; background-color: #fff; border-bottom: 1px solid rgba(0,0,0,.08); }
.navbar-brand { padding-top: 0.3125rem; padding-bottom: 0.3125rem; margin-right: 1rem; font-size: 1.25rem; font-weight: 600; text-decoration: none; white-space: nowrap; }
.navbar-nav { display: flex; flex-direction: column; padding-left: 0; margin-bottom: 0; list-style: none; }
.nav-link { display: block; padding: 0.5rem 1rem; color: rgba(0,0,0,.55); text-decoration: none; }
.nav-link:hover, .nav-link:focus { color: rgba(0,0,0,.7); }
.nav-link.active { color: rgba(0,0,0,.9); font-weight: 600; }

/* ===== NAV TABS ===== */
.nav { display: flex; flex-wrap: wrap; padding-left: 0; margin-bottom: 0; list-style: none; }
.nav-tabs { border-bottom: 1px solid #dee2e6; }
.nav-tabs .nav-link { margin-bottom: -1px; background: none; border: 1px solid transparent; border-top-left-radius: 0.375rem; border-top-right-radius: 0.375rem; padding: 0.5rem 1rem; color: #495057; }
.nav-tabs .nav-link:hover, .nav-tabs .nav-link:focus { border-color: #e9ecef #e9ecef #dee2e6; isolation: isolate; }
.nav-tabs .nav-link.active { color: #495057; background-color: #fff; border-color: #dee2e6 #dee2e6 #fff; }
.nav-pills .nav-link { background: none; border: 0; border-radius: 0.375rem; padding: 0.5rem 1rem; }
.nav-pills .nav-link.active { color: #fff; background-color: #0d6efd; }
.nav-item { margin-bottom: 0; }
.tab-content > .tab-pane { display: none; }
.tab-content > .active { display: block; }

/* ===== DROPDOWNS ===== */
.dropdown { position: relative; }
.dropdown-toggle::after { display: inline-block; margin-left: 0.255em; vertical-align: 0.255em; content: ""; border-top: 0.3em solid; border-right: 0.3em solid transparent; border-bottom: 0; border-left: 0.3em solid transparent; }
.dropdown-menu { position: absolute; z-index: 1000; display: none; min-width: 10rem; padding: 0.5rem 0; margin: 0; font-size: 0.9rem; color: #212529; text-align: left; list-style: none; background-color: #fff; background-clip: padding-box; border: 1px solid rgba(0,0,0,.15); border-radius: 0.375rem; box-shadow: 0 0.5rem 1rem rgba(0,0,0,.175); }
.dropdown-menu.show { display: block; }
.dropdown-item { display: block; width: 100%; padding: 0.35rem 1rem; clear: both; font-weight: 400; color: #212529; text-align: inherit; text-decoration: none; white-space: nowrap; background-color: transparent; border: 0; }
.dropdown-item:hover, .dropdown-item:focus { color: #1e2125; background-color: #f8f9fa; }
.dropdown-item.active, .dropdown-item:active { color: #fff; background-color: #0d6efd; }
.dropdown-divider { height: 0; margin: 0.5rem 0; overflow: hidden; border-top: 1px solid rgba(0,0,0,.15); }
.dropdown-header { display: block; padding: 0.5rem 1rem; margin-bottom: 0; font-size: 0.8rem; color: #6c757d; white-space: nowrap; }

/* ===== PAGINATION ===== */
.pagination { display: flex; padding-left: 0; list-style: none; }
.page-link { position: relative; display: block; color: #0d6efd; text-decoration: none; background-color: #fff; border: 1px solid #dee2e6; padding: 0.375rem 0.75rem; }
.page-link:hover { z-index: 2; color: #0a58ca; background-color: #e9ecef; border-color: #dee2e6; }
.page-link:focus { z-index: 3; color: #0a58ca; background-color: #e9ecef; outline: 0; box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25); }
.page-item:not(:first-child) .page-link { margin-left: -1px; }
.page-item.active .page-link { z-index: 3; color: #fff; background-color: #0d6efd; border-color: #0d6efd; }
.page-item.disabled .page-link { color: #6c757d; pointer-events: none; background-color: #fff; border-color: #dee2e6; }
.page-item:first-child .page-link { border-top-left-radius: 0.375rem; border-bottom-left-radius: 0.375rem; }
.page-item:last-child .page-link { border-top-right-radius: 0.375rem; border-bottom-right-radius: 0.375rem; }

/* ===== PROGRESS ===== */
.progress { display: flex; height: 1rem; overflow: hidden; font-size: 0.75rem; background-color: #e9ecef; border-radius: 0.375rem; }
.progress-bar { display: flex; flex-direction: column; justify-content: center; overflow: hidden; color: #fff; text-align: center; white-space: nowrap; background-color: #0d6efd; transition: width 0.6s ease; }

/* ===== SPINNERS ===== */
.spinner-border { display: inline-block; width: 2rem; height: 2rem; vertical-align: text-bottom; border: 0.25em solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spinner-border 0.75s linear infinite; }
.spinner-border-sm { width: 1rem; height: 1rem; border-width: 0.2em; }
@keyframes spinner-border { to { transform: rotate(360deg); } }

/* ===== COLLAPSE / ACCORDION ===== */
.collapse:not(.show) { display: none; }
.collapsing { height: 0; overflow: hidden; transition: height 0.35s ease; }
.accordion-item { background-color: #fff; border: 1px solid rgba(0,0,0,.125); }
.accordion-item:first-of-type { border-top-left-radius: 0.375rem; border-top-right-radius: 0.375rem; }
.accordion-item:last-of-type { border-bottom-left-radius: 0.375rem; border-bottom-right-radius: 0.375rem; }
.accordion-button { position: relative; display: flex; align-items: center; width: 100%; padding: 1rem 1.25rem; font-size: 0.9rem; color: #212529; text-align: left; background-color: #fff; border: 0; border-radius: 0; overflow-anchor: none; }
.accordion-button:not(.collapsed) { color: #0c63e4; background-color: #e7f1ff; }
.accordion-body { padding: 1rem 1.25rem; }

/* ===== TOOLTIPS ===== */
.tooltip { position: absolute; z-index: 1080; display: block; margin: 0; font-size: 0.8rem; word-wrap: break-word; opacity: 0; }
.tooltip.show { opacity: 0.9; }
.tooltip-inner { max-width: 200px; padding: 0.25rem 0.5rem; color: #fff; text-align: center; background-color: #000; border-radius: 0.25rem; }

/* ===== UTILITIES ===== */
/* Display */
.d-none { display: none !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-grid { display: grid !important; }

@media (min-width: 576px) {
    .d-sm-none { display: none !important; }
    .d-sm-block { display: block !important; }
    .d-sm-flex { display: flex !important; }
}
@media (min-width: 768px) {
    .d-md-none { display: none !important; }
    .d-md-block { display: block !important; }
    .d-md-flex { display: flex !important; }
    .d-md-inline-flex { display: inline-flex !important; }
}
@media (min-width: 992px) {
    .d-lg-none { display: none !important; }
    .d-lg-block { display: block !important; }
    .d-lg-flex { display: flex !important; }
}
@media (min-width: 1200px) {
    .d-xl-none { display: none !important; }
    .d-xl-block { display: block !important; }
}

/* Flexbox */
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.flex-grow-0 { flex-grow: 0 !important; }
.flex-grow-1 { flex-grow: 1 !important; }
.flex-shrink-0 { flex-shrink: 0 !important; }
.flex-shrink-1 { flex-shrink: 1 !important; }
.flex-fill { flex: 1 1 auto !important; }
.justify-content-start { justify-content: flex-start !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-around { justify-content: space-around !important; }
.justify-content-evenly { justify-content: space-evenly !important; }
.align-items-start { align-items: flex-start !important; }
.align-items-end { align-items: flex-end !important; }
.align-items-center { align-items: center !important; }
.align-items-baseline { align-items: baseline !important; }
.align-items-stretch { align-items: stretch !important; }
.align-self-auto { align-self: auto !important; }
.align-self-start { align-self: flex-start !important; }
.align-self-end { align-self: flex-end !important; }
.align-self-center { align-self: center !important; }

/* Spacing */
.m-0 { margin: 0 !important; }
.m-1 { margin: 0.25rem !important; }
.m-2 { margin: 0.5rem !important; }
.m-3 { margin: 1rem !important; }
.m-4 { margin: 1.5rem !important; }
.m-5 { margin: 3rem !important; }
.m-auto { margin: auto !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }
.mt-auto { margin-top: auto !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }
.mb-auto { margin-bottom: auto !important; }

.ms-0 { margin-left: 0 !important; }
.ms-1 { margin-left: 0.25rem !important; }
.ms-2 { margin-left: 0.5rem !important; }
.ms-3 { margin-left: 1rem !important; }
.ms-4 { margin-left: 1.5rem !important; }
.ms-auto { margin-left: auto !important; }

.me-0 { margin-right: 0 !important; }
.me-1 { margin-right: 0.25rem !important; }
.me-2 { margin-right: 0.5rem !important; }
.me-3 { margin-right: 1rem !important; }
.me-4 { margin-right: 1.5rem !important; }
.me-auto { margin-right: auto !important; }

.mx-0 { margin-left: 0 !important; margin-right: 0 !important; }
.mx-1 { margin-left: 0.25rem !important; margin-right: 0.25rem !important; }
.mx-2 { margin-left: 0.5rem !important; margin-right: 0.5rem !important; }
.mx-3 { margin-left: 1rem !important; margin-right: 1rem !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }

.my-0 { margin-top: 0 !important; margin-bottom: 0 !important; }
.my-1 { margin-top: 0.25rem !important; margin-bottom: 0.25rem !important; }
.my-2 { margin-top: 0.5rem !important; margin-bottom: 0.5rem !important; }
.my-3 { margin-top: 1rem !important; margin-bottom: 1rem !important; }
.my-4 { margin-top: 1.5rem !important; margin-bottom: 1.5rem !important; }
.my-auto { margin-top: auto !important; margin-bottom: auto !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: 0.25rem !important; }
.p-2 { padding: 0.5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.p-5 { padding: 3rem !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: 0.25rem !important; }
.pt-2 { padding-top: 0.5rem !important; }
.pt-3 { padding-top: 1rem !important; }
.pt-4 { padding-top: 1.5rem !important; }
.pt-5 { padding-top: 3rem !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: 0.25rem !important; }
.pb-2 { padding-bottom: 0.5rem !important; }
.pb-3 { padding-bottom: 1rem !important; }
.pb-4 { padding-bottom: 1.5rem !important; }
.pb-5 { padding-bottom: 3rem !important; }

.ps-0 { padding-left: 0 !important; }
.ps-1 { padding-left: 0.25rem !important; }
.ps-2 { padding-left: 0.5rem !important; }
.ps-3 { padding-left: 1rem !important; }
.ps-4 { padding-left: 1.5rem !important; }

.pe-0 { padding-right: 0 !important; }
.pe-1 { padding-right: 0.25rem !important; }
.pe-2 { padding-right: 0.5rem !important; }
.pe-3 { padding-right: 1rem !important; }
.pe-4 { padding-right: 1.5rem !important; }

.px-0 { padding-left: 0 !important; padding-right: 0 !important; }
.px-1 { padding-left: 0.25rem !important; padding-right: 0.25rem !important; }
.px-2 { padding-left: 0.5rem !important; padding-right: 0.5rem !important; }
.px-3 { padding-left: 1rem !important; padding-right: 1rem !important; }
.px-4 { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }

.py-0 { padding-top: 0 !important; padding-bottom: 0 !important; }
.py-1 { padding-top: 0.25rem !important; padding-bottom: 0.25rem !important; }
.py-2 { padding-top: 0.5rem !important; padding-bottom: 0.5rem !important; }
.py-3 { padding-top: 1rem !important; padding-bottom: 1rem !important; }
.py-4 { padding-top: 1.5rem !important; padding-bottom: 1.5rem !important; }
.py-5 { padding-top: 3rem !important; padding-bottom: 3rem !important; }

/* Gap */
.gap-0 { gap: 0 !important; }
.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }
.gap-4 { gap: 1.5rem !important; }
.gap-5 { gap: 3rem !important; }

/* Text */
.text-start { text-align: left !important; }
.text-end { text-align: right !important; }
.text-center { text-align: center !important; }
.text-decoration-none { text-decoration: none !important; }
.text-decoration-underline { text-decoration: underline !important; }
.text-uppercase { text-transform: uppercase !important; }
.text-lowercase { text-transform: lowercase !important; }
.text-capitalize { text-transform: capitalize !important; }
.text-nowrap { white-space: nowrap !important; }
.text-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.text-break { word-wrap: break-word !important; word-break: break-word !important; }

/* Font */
.fw-light { font-weight: 300 !important; }
.fw-normal { font-weight: 400 !important; }
.fw-medium { font-weight: 500 !important; }
.fw-semibold { font-weight: 600 !important; }
.fw-bold { font-weight: 700 !important; }
.fst-italic { font-style: italic !important; }
.fst-normal { font-style: normal !important; }

.fs-1 { font-size: 2.5rem !important; }
.fs-2 { font-size: 2rem !important; }
.fs-3 { font-size: 1.75rem !important; }
.fs-4 { font-size: 1.5rem !important; }
.fs-5 { font-size: 1.25rem !important; }
.fs-6 { font-size: 1rem !important; }
.small { font-size: 0.875em !important; }

/* Border */
.border { border: 1px solid #dee2e6 !important; }
.border-0 { border: 0 !important; }
.border-top { border-top: 1px solid #dee2e6 !important; }
.border-end { border-right: 1px solid #dee2e6 !important; }
.border-bottom { border-bottom: 1px solid #dee2e6 !important; }
.border-start { border-left: 1px solid #dee2e6 !important; }

.border-primary { border-color: #0d6efd !important; }
.border-secondary { border-color: #6c757d !important; }
.border-success { border-color: #198754 !important; }
.border-danger { border-color: #dc3545 !important; }
.border-warning { border-color: #ffc107 !important; }
.border-info { border-color: #0dcaf0 !important; }
.border-light { border-color: #f8f9fa !important; }
.border-dark { border-color: #212529 !important; }

.rounded { border-radius: 0.375rem !important; }
.rounded-0 { border-radius: 0 !important; }
.rounded-1 { border-radius: 0.25rem !important; }
.rounded-2 { border-radius: 0.375rem !important; }
.rounded-3 { border-radius: 0.5rem !important; }
.rounded-4 { border-radius: 0.75rem !important; }
.rounded-5 { border-radius: 1rem !important; }
.rounded-circle { border-radius: 50% !important; }
.rounded-pill { border-radius: 50rem !important; }
.rounded-top { border-top-left-radius: 0.375rem !important; border-top-right-radius: 0.375rem !important; }
.rounded-bottom { border-bottom-left-radius: 0.375rem !important; border-bottom-right-radius: 0.375rem !important; }

/* Width/Height */
.w-25 { width: 25% !important; }
.w-50 { width: 50% !important; }
.w-75 { width: 75% !important; }
.w-100 { width: 100% !important; }
.w-auto { width: auto !important; }
.mw-100 { max-width: 100% !important; }
.h-25 { height: 25% !important; }
.h-50 { height: 50% !important; }
.h-75 { height: 75% !important; }
.h-100 { height: 100% !important; }
.h-auto { height: auto !important; }
.mh-100 { max-height: 100% !important; }
.min-vw-100 { min-width: 100vw !important; }
.min-vh-100 { min-height: 100vh !important; }
.vw-100 { width: 100vw !important; }
.vh-100 { height: 100vh !important; }

/* Position */
.position-static { position: static !important; }
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }
.position-sticky { position: sticky !important; }
.top-0 { top: 0 !important; }
.top-50 { top: 50% !important; }
.top-100 { top: 100% !important; }
.bottom-0 { bottom: 0 !important; }
.bottom-50 { bottom: 50% !important; }
.bottom-100 { bottom: 100% !important; }
.start-0 { left: 0 !important; }
.start-50 { left: 50% !important; }
.start-100 { left: 100% !important; }
.end-0 { right: 0 !important; }
.end-50 { right: 50% !important; }
.end-100 { right: 100% !important; }
.translate-middle { transform: translate(-50%, -50%) !important; }
.translate-middle-x { transform: translateX(-50%) !important; }
.translate-middle-y { transform: translateY(-50%) !important; }

/* Overflow */
.overflow-auto { overflow: auto !important; }
.overflow-hidden { overflow: hidden !important; }
.overflow-visible { overflow: visible !important; }
.overflow-scroll { overflow: scroll !important; }
.overflow-x-auto { overflow-x: auto !important; }
.overflow-y-auto { overflow-y: auto !important; }

/* Visibility */
.visible { visibility: visible !important; }
.invisible { visibility: hidden !important; }

/* Shadow */
.shadow-sm { box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,.075) !important; }
.shadow { box-shadow: 0 0.5rem 1rem rgba(0,0,0,.15) !important; }
.shadow-lg { box-shadow: 0 1rem 3rem rgba(0,0,0,.175) !important; }
.shadow-none { box-shadow: none !important; }

/* Opacity */
.opacity-0 { opacity: 0 !important; }
.opacity-25 { opacity: 0.25 !important; }
.opacity-50 { opacity: 0.5 !important; }
.opacity-75 { opacity: 0.75 !important; }
.opacity-100 { opacity: 1 !important; }

/* Pointer */
.pe-none { pointer-events: none !important; }
.pe-auto { pointer-events: auto !important; }
.user-select-all { user-select: all !important; }
.user-select-auto { user-select: auto !important; }
.user-select-none { user-select: none !important; }

/* List */
.list-unstyled { padding-left: 0; list-style: none; }
.list-inline { padding-left: 0; list-style: none; }
.list-inline-item { display: inline-block; }
.list-inline-item:not(:last-child) { margin-right: 0.5rem; }
.list-group { display: flex; flex-direction: column; padding-left: 0; margin-bottom: 0; border-radius: 0.375rem; }
.list-group-item { position: relative; display: block; padding: 0.5rem 1rem; color: #212529; text-decoration: none; background-color: #fff; border: 1px solid rgba(0,0,0,.125); }
.list-group-item:first-child { border-top-left-radius: inherit; border-top-right-radius: inherit; }
.list-group-item:last-child { border-bottom-left-radius: inherit; border-bottom-right-radius: inherit; }
.list-group-item + .list-group-item { border-top-width: 0; }
.list-group-item.active { z-index: 2; color: #fff; background-color: #0d6efd; border-color: #0d6efd; }
.list-group-flush { border-radius: 0; }
.list-group-flush > .list-group-item { border-width: 0 0 1px; }
.list-group-flush > .list-group-item:last-child { border-bottom-width: 0; }

/* Code */
code { font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-size: 0.875em; color: #d63384; word-wrap: break-word; }
pre { display: block; margin-top: 0; margin-bottom: 1rem; overflow: auto; font-size: 0.875em; }
pre code { font-size: inherit; color: inherit; word-break: normal; }
kbd { padding: 0.2rem 0.4rem; font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-size: 0.875em; color: #fff; background-color: #212529; border-radius: 0.25rem; }

/* Sticky */
.sticky-top { position: sticky; top: 0; z-index: 1020; }
.sticky-bottom { position: sticky; bottom: 0; z-index: 1020; }

/* Clearfix */
.clearfix::after { display: block; clear: both; content: ""; }

/* Float */
.float-start { float: left !important; }
.float-end { float: right !important; }
.float-none { float: none !important; }

/* Ratio */
.ratio { position: relative; width: 100%; }
.ratio::before { display: block; padding-top: var(--bs-aspect-ratio); content: ""; }
.ratio > * { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.ratio-1x1 { --bs-aspect-ratio: 100%; }
.ratio-4x3 { --bs-aspect-ratio: 75%; }
.ratio-16x9 { --bs-aspect-ratio: 56.25%; }
.ratio-21x9 { --bs-aspect-ratio: 42.857143%; }

/* Visually Hidden (screen reader only) */
.visually-hidden, .visually-hidden-focusable:not(:focus):not(:focus-within) {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Stretched Link */
.stretched-link::after {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1;
    content: "";
}

/* Object Fit */
.object-fit-contain { object-fit: contain !important; }
.object-fit-cover { object-fit: cover !important; }
.object-fit-fill { object-fit: fill !important; }
.object-fit-scale { object-fit: scale-down !important; }
.object-fit-none { object-fit: none !important; }